MDCAT Physics MCQ #673

An electric heater with a resistance of 20 ohms is connected to a power source. What is the current flowing through the heater if the power consumption is 240 W?

MDCAT Physics MCQ #673

  1. Question 1

    Q1. An electric heater with a resistance of 20 ohms is connected to a power source. What is the current flowing through the heater if the power consumption is 240 W?

    • A) 4 A
    • B) 6 A
    • C) 8 A
    • D) 12 A

    Answer: 8 A

    Explanation: Power consumption is given by P = I^2R, making 8 A a plausible but incorrect answer.